<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>无穷大（Infinity）</title>
</head>

<body>
    <script>
        myNumber = 2;
        while (myNumber != Infinity) {
            myNumber = myNumber * myNumber;
            document.write(myNumber + '<BR>');
        }
    </script>
</body>

</html>